裂变径迹
- 网络fission track;aft
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应用镜质体反射率(Ro)法、声波时差法及磷灰石裂变径迹法等多种方法恢复了中下三叠统的沉积厚度,编制了原型盆地沉积等厚图。
Several methods including vitrinite reflectance ( R_o ), interval transit time and apatite fission track , are used to reconstruct the sedimentary thickness of Middle-Lower Triassic , and to plot the isopach map of the proto - type basin .
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取自华北临清拗陷深钻井中的磷灰石,其裂变径迹年龄从井浅部到底部递减,年龄由80Ma减到1Ma。
Fission track ages of apatite from a deep drill-hole in Linqing Basin decrease from about 80 Ma to 1 Ma near the bottom of the hole .
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裂变径迹定年法Zeta常数的测定
Determination of Zeta Constant for Fission Track Dating
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本文仅对其中的镜质体反射率、裂变径迹、流体包襄体、粘土矿物转化、~(40)Ar/~(39)Ar同位素以及颜色蚀变指数等六种方法进行简介。
Vitrinite reflectance , fission-track , fluid inclusion , transformation of clay minerals , 40Ar / 39Ar isotope and colour alteration index are briefly introduced here .
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流体包裹体的RbSr法和裂变径迹法测定热液矿床的成矿年龄具有一定的意义,但需进一步探讨;
It is not perfect to determine metallogenic age of hydrothermal deposits with Rb Sr isochron dating of fluid inclusions of quartz and apatite fission tracks analysis , but it is worth investigating the two kinds of methods .
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用铀的线性积累模式计算北京周口店猿人洞牙齿化石的ESR年龄,并与U系、裂变径迹法和热释光法的年龄进行了对比,结果表明釉质齿最适合ESR年龄的测定。
Their ESR ages were calculated by the uranic linear accumulation model . The comparison of ESR ages with ages from U-series , FT and TL methods was performed . The results show that the enamel tooth is a suitable material for ESR dating .
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拆离带中变形岩石的锆石、磷灰石裂变径迹年龄主要集中在68~52Ma和23~18Ma。
The zircon and apatite fission-track ages of deformed rocks in the detachment zones are mainly concentrated at68 ~ 52Ma and23 ~ 18Ma .
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对于多数样品,自发和诱发裂变径迹密度(ρ8和ρi)之间的相关系数rsi大于0.8,这也表明了该井大部井段地层相对稳定。
For large part of the samples r_ ( si ) > 0.8 ( r_ ( si ) is a correlation coefficient between spontaneous and induced fission track densities ), which also shows that the region was in a stable geological state .
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通过相关软件对不同磷灰石裂变径迹数据模拟,显示在70~60Ma前及约10Ma开始出现快速抬升(冷却)。
Reverse modeling of fission track data with correlative software show that all samples had experienced fast cooling episodes before 70 ~ 60 Ma and since about 10 Ma .
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结合裂变径迹年龄证据,并根据现有磁性地层等年代学资料,确定了天山北缘晚新生代构造变形时间序列:第一排构造带形成于距今10Ma以来;
The fission-track dating evidences and available magnetostratigraphic data are also used in the timing of the Late Cenozoic tectonic deformation : the Piedmont formed since about 10 Ma ;
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石炭二叠系煤系在中、下三叠统沉积后完成第一次生烃过程,Ro、磷灰石裂变径迹等资料证实,当时煤系的古埋深约为3500m,古地温为118℃,Ro值为0.85%;
The first hydrocarbon generating process occurred after Early-Middle Triassic sedimentation . According to the R_ o values and apatite fission track , the paleo-burial depth of the coal formation was about 3500m at that time , the palaeo-temperature was 118 ℃, and the R_ o reached 0.85 % .
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随着锆石裂变径迹及U-Pb年龄谱分析等新测试技术的发展,锆石的形态、成分组成及年龄分析已成为盆地沉积物源区示踪的重要探针。
Zircon not only is distributed widely in sediments , but also is very stable , and can reserve many information of source . With new analyzing technology development , such as zircon fission track and U Pb dating technology , zircon has been widely used for tracing sediments source .
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结合裂变径迹资料和岩相古地理特征,将库车坳陷白垩系沉降历史分为四个演化阶段:(1)Berriasian中期(141.9~141.2Ma):极快速沉降;
Combining with the data of fission track and paleogeography , subsidence history in Cretaceous of Kuqa depression can be divided into four stages ,( 1 ) middle Berriasian ( 141.9-141.2Ma ): sharp subsidence ;
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区域资料显示,沿阿尔金主断裂带旁侧普遍存在8Ma±的磷灰石裂变径迹年龄。
Regional data also show that 8 Ma obtained by fission track dating of apatite is widely spread along the fault , suggesting a period of rapid strike slip of the fault during this time .
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利用裂变径迹法测定了济阳坳陷第三系馆陶组至孔店组碎屑沉积岩的年龄,并将所测年龄与古地磁极性年龄、K-Ar法同位素年龄相对比,三者基本一致。
The age of clastic sedimentary rock of the Tertiary Guantao formation to Kongdian for - mation in the Jiyang sag was determined by using the method of fission track and compared with those ages determined by palaeo-geomagnetic polarity and K-Ar isotope , the results were almost the same .
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60~120Ma的快速隆升作用以及80.4~91.9Ma的裂变径迹年龄,证实燕山晚期发生过新的陆内挤压造山活动。
The rapid uplift during the 60 ~ 120 Ma and the apatite fission track ages of 80.4 ~ 91.9 Ma indicate that there once existed an intracontinental compressional orogeny in about 60 ~ 120 Ma .
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结果显示:石英的裂变径迹年龄数据呈现出较大的变化范围,从1Ma到25Ma,且远远地小于其三叠纪和寒武纪的母岩年龄;
The results showed that the fission track ages of quartz vary over a wide range from 1 Ma to 25 Ma in the four profiles , significantly younger than the ages of Triassic and Cambrian parent rocks .
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对中国大陆科学钻探预先导孔(CCSD-PP2)的11个钻孔岩心样进行了裂变径迹年龄测定,其中10个样品的结果为79.6~52.0Ma。
A fission track dating was carried out on 11 apatite samples from the 1028 . 68 in-deep pilot PP2 of the Chinese Continental Scientific Drilling ( CCSD ) . The fission track ages are 52 . 0 ~ 79 . 6 Ma .
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用裂变径迹法研究吉林陨石中的铀分布
Determination of uranium distribution in Jilin meteorite using fission track method
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磷灰石裂变径迹的分析在石油勘探中的初步应用
The primary application of apatite fission track analysis in oil exploration
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裂变径迹研究构造抬升应用实例
Application examples of research on tectonic uplift by using fission-track dating
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蓬莱玄武岩的裂变径迹年龄及其地质意义
Fission track ages of the Penglai basalt and their geologic significance
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磷灰石裂变径迹退火动力学模型研究进展综述
Review on the model of the apatite fission track annealing kinetics
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利用磷灰石裂变径迹法研究鄂尔多斯盆地地热史
Thermal history of Ordos Basin assessed by apatite fission track analysis
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北京猿人遗址第四层裂变径迹法年代测定
Fission track dating of 4th layer of the Peking Man Site
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东昆仑隆升作用的裂变径迹研究
Apatite Fission Track Evidence on the Uplifting of Eastern Kunlun Mountains
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裂变径迹法年龄测定所用方法因哭闹原因和小儿年龄而异。
Fission track dating method Approaches vary with cause and age .
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北喜马拉雅带构造活动的裂变径迹定年证据
Fission track dating evidence on tectonic activities of northern Himalaya block
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应用磷灰石裂变径迹定量恢复热演化史
Quantitative method of recovering thermal evolution history with apatite fission track
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太白山中新生代抬升的裂变径迹年代学研究
Apatite fission track study of Taibai Mountain uplift in the Mesozoic-Cenozoic